Author Archives: Alex

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False lily-of-the-valley

False lily-of-the-valley (Maianthemum dilatatum)
Maianthemum dilatatum

The plant produces an erect, unbranched stem up to about 40 centimeters tall. A non-flowering shoot bears one smooth, waxy, shiny leaf up to 10 centimeters long and 5 to 8 broad, hence its scientific name (dilatatum means ‘broad’). On plants that are flowering, 2 or 3 leaves are produced oppositely on the stems. The leaf is oval in shape with a heart-shaped base. This attractive groundcover can spread vigorously when in planted in favorable conditions.

The inflorescence is an erect raceme with star-shaped white flowers. They each have four petals and four stamens. After fertilization the fruit produced is a berry 6 millimeters in diameter. The berry is speckled red when immature and solid red when ripe. Each has 1 to 4 seeds.


  • Light Requirements: Part Shade, Full Shade
  • Water Requirements: Moist
  • Ease of Growing: Easy to grow
  • Growth Rate: Moderate
  • Spreads: Yes
  • Wildlife Support: Birds or Mammals
  • Fire-resistant: Yes
  • Edible:
  • Mature Height: 1ft
  • Mature Width:2-3ft

Dagger-leaf rush

Daggerleaf rush (Juncus ensifolius)
Juncus ensifolius

This rhizomatous rush grows in large upright clumps. The green dagger shaped leaves fold over along the mid-vein towards the stem, similar to iris leaves.


  • Light Requirements: Full Sun
  • Water Requirements: Moist, Seasonally Wet
  • Ease of Growing: Easy to grow
  • Growth Rate: Fast
  • Spreads:
  • Wildlife Support: Birds or Mammals
  • Fire-resistant: No
  • Edible:
  • Mature Height: 1-2ft
  • Mature Width:1-2ft

Oregon iris

Oregon iris (Iris tenax)
Iris tenax

Iris tenax is a species of Iris native to southwestern Washington and northwestern Oregon. It is known as the tough-leaved iris or Oregon iris. It occurs along roadsides and in grasslands and forest openings at low to middle elevations. One subspecies is also known from northern California.

Like most irises, it has large and showy flowers. The flowers bloom in mid to late spring and are usually lavender-blue to purple, but blooms in white, yellow, pink, and orchid shades are known to sometimes occur.


  • Light Requirements: Full Sun, Part Shade
  • Water Requirements: Dry, Moist
  • Ease of Growing: Moderate
  • Growth Rate: Moderate
  • Spreads:
  • Wildlife Support: Hummingbirds, Pest-eating Insects, Birds or Mammals
  • Fire-resistant: Yes
  • Edible:
  • Mature Height: 1-2ft
  • Mature Width:1-2ft

Wood Strawberry

Woodland strawberry (Fragaria vesca)
Fragaria vesca ssp. bracteata

After flowering, rounded, egg-shaped, red edible berries appear in the late summer and early autumn. These appear to be smooth coated but are in fact covered in very short hairs, visible only at close range.

  • Light Requirements: Full Sun, Part Shade
  • Water Requirements: Dry, Moist
  • Ease of Growing: Easy to grow
  • Growth Rate: Moderate
  • Spreads: Yes
  • Wildlife Support: Birds or Mammals
  • Fire-resistant: Yes
  • Edible: Yes
  • Mature Height: 6in
  • Mature Width:1ft

Broad-leaf Shooting Star

Henderson’s shooting star (Dodecatheon hendersonii)
Dodecatheon hendersonii

This bulb-producing perennial begins in late winter with thick spoon shaped leaves at the base of the plant. Showy flowers appear in early spring on top of a tall 12 in (30 cm) leafless flower stalk. Flowers are inside out with petals magenta to deep lavender to white, with a white strip before the black fertile part. It blooms February to May and is summer deciduous, dying back to the ground after the rains cease.


  • Light Requirements: Full Sun, Part Shade
  • Water Requirements: Moist
  • Ease of Growing: Easy to grow
  • Growth Rate: Moderate
  • Spreads:
  • Wildlife Support: Pollinators, Pest-eating Insects
  • Fire-resistant: No
  • Edible:
  • Mature Height: 1ft
  • Mature Width:6in

Hooker’s Fairy Bells

Hooker’s Fairy Bells (Disporum hookerii)
Disporum hookerii

Lovely, outwards-flaring flowers of greenish-white to cream over deep green leathery foliage, with characteristic long, drip-tips to the leaves.


  • Light Requirements: Part Shade, Full Shade
  • Water Requirements: Moist
  • Ease of Growing: Easy to grow
  • Growth Rate: Moderate
  • Spreads:
  • Wildlife Support: Pollinators, Birds or Mammals
  • Fire-resistant: No
  • Edible:
  • Mature Height:
  • Mature Width:

Western Bleeding Heart

Western bleeding heart (Dicentra formosa)
Dicentra formosa ssp. formosa

Bleeding heart’s showy flower resembles a heart split open at the base, releasing its contents. It has delicate-looking fernlike leaves, with pink flowers that bloom from April to June. Bleeding heart prefers rich soil and some shade. It will thrive planted under evergreen trees or along stream banks. Heights of 26 inches can be reached though 12-16″ is more common.


  • Light Requirements: Part Shade, Full Shade
  • Water Requirements: Moist
  • Ease of Growing: Easy to grow
  • Growth Rate: Moderate
  • Spreads:
  • Wildlife Support: Hummingbirds, Pest-eating Insects
  • Fire-resistant: Yes
  • Edible: No
  • Mature Height: 1-1.5ft
  • Mature Width:1.5-2ft

Tufted Hairgrass

Tufted hairgrass (Deschampsia cespitosa)
Deschampsia cespitosa

Tufted Hairgrass is found around the world including the eastern and western coasts of North America, parts of South America, and Eurasia. It is a native, perennial, tussock forming grass found along stream banks and in moist meadows, fields, wet ditches and open areas surrounding lakes and ponds. Tufted hairgrass is a large densely tufted, course, long lived, perennial bunch grass. It has bright green foliage and a large volume of fountain-like seed culms emerging in early spring, making it highly aesthetic. Tufted hairgrass prefer open sites. This grass is rarely, if ever an under story species of temperate forest communities (Brown et al. 1988).

In the Pacific Northwest tufted hairgrass form pure stands in wet and intermittently flooded areas such as tidal mudflats and estuaries plant communities. It grows in seeps bogs, and brackish waters along the coastal waterways. It is very salt tolerant grass and, as a result, is commonly included in many restoration or re-vegetation projects where brackish water exists.

Tufted hairgrass is also a rapid colonizer of disturbed sites at high elevations (8,000 ft – Cascade & Sierra Range). Such characteristics make it valuable for reclamation of disturbed high elevation mines, ski slopes and high elevation meadows. Tufted hairgrass, unlike blue wildrye, is genetically heterogeneous, self-incompatible and requires wind and insect pollinators for effective fertilization. Tufted hairgrass should be included in wetland, restoration projects since it provides very dense nesting foliage and has a very long summer green period. It is also a valuable stream bank erosion plant where long-term stabilization is necessary, and should be established with a nurse crop (blue wildrye, meadow barley, California brome, Alaska brome) or native straw mulch for superior first year establishment.


  • Light Requirements: Full Sun
  • Water Requirements: Dry, Moist, Seasonally Wet
  • Ease of Growing: Easy to grow
  • Growth Rate: Fast
  • Spreads:
  • Wildlife Support: Birds or Mammals
  • Fire-resistant: No
  • Edible: No
  • Mature Height: 2-3ft
  • Mature Width:1-2ft
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